| Patent Number |
Title Of Patent |
Date Issued |
| 5064874 |
Extruded synthetic resin foam and its manufacturing method |
November 12, 1991 |
| An extruded synthetic resin foam comprises a cell structure of substantially two different cell sizes, the smaller size being not more than about 0.25 mm while the other size is from about 0.4 to about 1 mm. The cells are dispersed in an island in the sea manner. A foam such as a sty |
| 5063270 |
Curable composition |
November 5, 1991 |
| A curable composition. The composition contains(A) 100 parts of an oxyalkylene polymer having at least one silicon-containing group containing a hydroxyl group and/or hydrolyzable group bound to a silicon atom and capable of crosslinking through the formation of a siloxane bond;(B) 1 to |
| 5063114 |
Coated material |
November 5, 1991 |
| A coated material obtained by applying a coat containing a metallic powder and/or a coloring pigment to a substrate and further applying a topcoat clear coating thereon, wherein said topcoat clear coating is a heat-hardening coat which contains a composition comprising a hydroxyl gro |
| 5062981 |
Magnet and method for manufacturing the same |
November 5, 1991 |
| Disclosed is a magnet which is composed mainly of magnetic powders expressed by R-T-B (R is Nd or that partially replaced with rare earth elements and T is Fe or that partially replaced with transition metal.) and a chelate resin or a chelate resin in admixture with other synthetic r |
| 5061817 |
Enolsilyl ether compound |
October 29, 1991 |
| The present invention relates to .beta.-lactam compound having the formula (I): ##STR1## wherein R.sup.1 is a trialkylsilyl group, dimethyl-1,1,2-trimethylpropylsilyl group, acetyl group, benzyloxycarbonyl group, O-nitrobenzyloxycarbonyl group, p-nitrobenzyloxycarbonyl group or |
| 5057538 |
Hydroxystyrene compounds which have useful pharmaceutical utility |
October 15, 1991 |
| A hydroxystyrene derivative represented by the formula (I): ##STR1## Wherein when R.sup.1 and R.sup.2 : phenyl group, benzyl group or phenethyl group, or R.sup.1 : R.sup.5 O--(R.sup.5 : H, a C.sub.1 to C.sub.5 alkyl group or benzyl group) and R.sup.2 : benzyl group or PhSCH.sub.2, R. |
| 5049455 |
Amphiphilic anthracene derivative |
September 17, 1991 |
| Amphiphilic anthracene derivatives having a hydrophobic substituent and a hydrophilic substituent at 9 position and 10 position of the anthracene nucleus, respectively are disclosed. The amphiphilic anthracene derivatives have an excellent film forming property, heat resistance and e |
| 5045412 |
Perpendicular magnetic storage medium |
September 3, 1991 |
| A perpendicular magnetic storage medium in which a perpendicular magnetic anisotropic film having an easy magnetization axis perpendicular to the plane thereof is formed on a substrate, wherein the perpendicular magnetic anisotropic film is a film of a sub-oxide of Fe-Co alloy, the sub-o |
| 5043248 |
Photosensitive amhilphilic high polymers and process for producing them |
August 27, 1991 |
| A photosensitive amphiphilic high polymer comprises a linear recurring unit containing at least divalent 1st organic group (R.sup.1) having at least two carbon atoms and at least divalent 2nd organic group (R.sup.2) having at least two carbon atoms, said organic groups R.sup.1 and R.sup. |
| 5034286 |
Perpendicular magnetic storage medium |
July 23, 1991 |
| A perpendicular magnetic storage medium comprising a substrate and a perpendicular magnetic anisotropic film formed on the substrate, characterized in that the perpendicular magnetic anisotropic film is a film of a sub-oxide of a metal having a composition described by a general form |
| 5032884 |
Semiconductor pin device with interlayer or dopant gradient |
July 16, 1991 |
| A semiconductor device comprising a pin-type or nip-type amorphous-containing semiconductor layers; characterized in that (1) at least one interlayer made of semiconductor or insulator having higher electrical resistivity than a semiconductor which adjoins the interlayer is/are inter |
| 5032718 |
Photo sensor array and reader with hexagonal fiber bundles |
July 16, 1991 |
| A photo sensor array includes at least one transparent substrate and a photo sensitive portion provided on the substrate. An optical fiber portion is arranged in a transparent substrate whereinto light from a radiating portion enters. An optical unit or selfoc lens for transferring a |
| 5030409 |
End portion-treating method for synthetic resin film and device therefor |
July 9, 1991 |
| An end portion-treating method and apparatus for manufacturing a synthetic resin film by first extruding through a slit die or coating with the use of a coater onto or on a conveyor belt or drum a fluid synthetic resin composition in a smooth layer form, and then solidifying it. Gas is b |
| 5026820 |
Process for continuous mixing of a two-liquid curing type resin |
June 25, 1991 |
| Disclosed is a process for continuously mixing two liquid components, whose one liquid component is a two-liquid curing type resin which comprises continuously supplying one liquid component under stirring into a mixing container and pouring the other liquid component into said container |
| 5021201 |
Process for preparing uniform discoid particles |
June 4, 1991 |
| Uniform discoid particles made of at least one member selected from the group consisting of a natural high molecular substance, a synthetic high molecular substance and an inorganic compound, wherein each particle has a diameter of 20 to 2,000 .mu.m and a thickness/diameter ratio of 1/2 |
| 5017651 |
Thermoplastic resin composition |
May 21, 1991 |
| Thermoplastic resin compositions having excellent heat distortion resistance, impact resistance, chemical resistance and molding properties. The compositions are mixtures of a polyarylate, a polyamide and a specified graft copolymer or modified polyolefin. |
| 5017621 |
Polypropylene resin pre-expanded beads, manufacturing method thereof and expansion-molding metho |
May 21, 1991 |
| The present invention provides polypropylene resin pre-expanded beads formed by shrinking polypropylene resin pre-expanded beads originally having a bulk density of not higher than 0.0930 g/cc to give them a bulk volume ratio of 10-75% at normal temperature and normal pressure, a man |
| 5017484 |
Process for preparing 3-chloro-1,2-propanediol |
May 21, 1991 |
| A process for preparing an optically active 3-chloro-1, 2-propanediol by employing microorganism which can selectively metabolize (R)- or (S)-3-chloro-1,2-propanediol. The decomposition rate of the substrate can be accelerated and the substrate concentration can be increased by adding |
| 5015838 |
Color sensor having laminated semiconductor layers |
May 14, 1991 |
| A color sensor of the present invention is a semiconductor element comprising a semiconductor wherein a plurality of pn or pin junctions are laminated, and conductive layers which are laminated on both surfaces of the semiconductor, characterized in that the semiconductor element is |
| 5015423 |
Method of making uniform polymer particles |
May 14, 1991 |
| Uniform polymer particles in a spherical form, having a three dimensional network structure, wherein not less than 80% by volume of the whole particles have a particle size within the range of .+-.20% of the volume average particle size of said uniform polymer particles, and said uniform |
| 5011900 |
Curable composition |
April 30, 1991 |
| A curable composition. The composition comprises (A) 100 parts by weight of an oxyalkylene polymer having at least one silicon-containing group in which a hydroxy group and/or hydrolyzable group is or are bonded to the silicon atom, said polymer being crosslinkable by formation of a silo |
| 5011727 |
Polyimide resin laminate improved in slidability |
April 30, 1991 |
| The present invention provides a polyimide resin laminate of one layer of a polyimide resin film and one or more layers of activated fluorine resin films, wherein undulations of 0.03-5 .mu.m are formed on the outer surface of the fluorine resin films. According to the present invention, |
| 4999402 |
Methacrylic acid ester resin composition |
March 12, 1991 |
| A methacrylic acid ester composition comprising 10 to 50 parts by weight of a cross-linked acrylic acid ester elastomer (A) and 50 to 90 parts by weight of a resin component, the total amount of the elastomer (A) and the resin component being 100 parts by weight; which is prepared by(a) |
| 4997911 |
Method of recovering polymer agglomerates as dry powders or granules |
March 5, 1991 |
| The present invention provides a method for recovering polymer agglomerates in the form of dry powders or granules comprising steps of:(A) coagulating a polymer latex obtained by emulsion polymerization or suspension polymerization to thereby form hydrous agglomerates in which latex part |
| 4994600 |
Process for preparing trans-.beta.-benzoylacrylic acid ester |
February 19, 1991 |
| A process for preparing trans-.beta.-benzoylacrylic acid ester having the general formula (I): ##STR1## wherein R is alkyl group or aralkyl group, which comprises dealcoholizing .beta.-benzoyl-.alpha.-alkoxypropionic acid ester having the general formula (II): ##STR2## wh |
| 4994597 |
Method for preparing optically active 3,4-dihydroxy butyric acid derivatives |
February 19, 1991 |
| The present invention presents a method for preparation of S-3,4-dihydroxy butyronitrile expressed by the structural formula (II) ##STR1## characterized by causing R-3-chloro-1,2-propanediol expressed by the structural formula (I) ##STR2## to react with a cyanating agent. Acc |
| 4994133 |
Continuous process for producing reinforced resin laminates |
February 19, 1991 |
| A continuous process for producing reinforced resin laminates comprising the steps of impregnating a fibrous substrate with a liquid resin which is free of volatile solvent and is capable of curing without generating liquid and gaseous byproducts, laminating a plurality of the resin- |
| 4990542 |
Extruded synthetic resin foam and its manufacturing method |
February 5, 1991 |
| An extruded synthetic resin foam comprises a cell structure of substantially two different cell sizes, the smaller size being not more than about 0.25 mm while the other size is from about 0.4 to about 1 mm. The cells are dispersed in an island in the sea manner. A foam such as a sty |
| 4990397 |
Unsaturated polyester resin compositions and electrical laminates made therefrom |
February 5, 1991 |
| An unsaturated polyester composition is provided comprising an unsaturate polyester component, a cross-linking monomer and as a modifier of the resin a polyoxyalkylene alcohol at least partially esterified with a polymerizable unsaturated carboxylic acid. The modifier is produced by |
| 4988795 |
Amphiphilic polyimide precursor and process for preparing the same from fatty-substituted polyam |
January 29, 1991 |
| An amphiphilic polyimide precursor having at least 70% by mole of the recurring unit of the formula (1): ##STR1## wherein R.sup.1 is a tetravalent group having at least 2 carbon atoms, R.sup.2 is a bivalent group having at least 2 carbon atoms, and R.sup.3, R.sup.4, R.sup.5 and R |
| 4988624 |
Lymphotoxin DNA, lymphotoxin expression vector |
January 29, 1991 |
| A chromosomal DNA sequence which codes for human lymphotoxin, a lymphotoxin expression vector which contains a DNA sequence wherein a chromosomal DNA sequence coding for human lymphotoxin and promoter region which functions in animal cell are linked together, lymphotoxin resistant cell l |
| 4988570 |
Process for forming a film |
January 29, 1991 |
| A process for forming a built-up film with high polymers whose film inherently cannot be readily obtained by LB technique comprises modifying the high polymers, and if required, further by cyclizing the product partially or wholly, the produced thin films have extremely excellent heat |
| 4987219 |
Copolymeric and amphiphilic polyimide precursor, process for preparing the same and thin film |
January 22, 1991 |
| A copolymeric amphiphilic polyimide precursor having the recurring unit of the formula (1): ##STR1## wherein R.sup.1 is a tetravalent group having at least 2 carbon atoms, R.sup.2 is a bivalent group having at least 2 carbon atoms, and R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are hy |
| 4985531 |
Birefringent transparent film and process for producing the same |
January 15, 1991 |
| A transparent film having birefringence comprising an amorphous aromatic polymer as a main component is disclosed. The film is produced by uniaxially stretching a film of an amorphous aromatic polymer. The film exhibits high transparency, high heat resistance, and heat distortion res |
| 4983602 |
3'-hydroxybenzoxazinorifamycin derivative, process for preparing the same and antibacterial agen |
January 8, 1991 |
| A rifamycin derivative having the formula (I): ##STR1## wherein A is a group having the formula: ##STR2## in which R.sup.1 is an alkyl group having 4 or 5 carbon atoms or an alkenyl group having 3 to 5 carbon atoms, or a group having the formula: in which n is 3 or 4; or a ph |
| 4981897 |
Aromatic polyester film containing orthophosphate powder |
January 1, 1991 |
| An aromatic polyester film containing about 0.05 to 0.5% by weight, based on the weight of aromatic polyester resin, of a Group ITA alkaline earth metal orthophosphate powder composed mainly of particles having a particle diameter of about 1 to 10 .mu.m. |
| 4981796 |
Manufacturing method of optically-active 1,2-diols |
January 1, 1991 |
| A process of manufacturing optically active (S)-1,2-diols, wherein (R)-1,2-diols represented by the general formula [I] ##STR1## (where: R represents a substituted or unsubstituted alkyl group, alkenyl group, aryl group or aralkyl group) or a mixture of diols of the general formu |
| 4980383 |
Foamed article of chlorinated vinyl chloride resin containing inorganic material |
December 25, 1990 |
| A foamed article of a chlorinated vinyl chloride resin containing an inorganic material, which contains an inorganic fibrous material in an amount of not less than 0.003 g per 1 cm.sup.3 of the article or inorganic particles in an amount of not less than 0.06 g per 1 cm.sup.3 of the |
| 4979963 |
Process for coloring expandable polystyrene beads |
December 25, 1990 |
| This invention provides a process for coloring expandable beads of polystyrene resins which comprises suspending expandable beads of a polystyrene resin and a dye in water in a closed vessel and heating this aqueous suspension at a temperature above the softening point of the expanda |
| 4976547 |
Continuous two-liquid type mixer |
December 11, 1990 |
| Disclosed is a continuous two-liquid type mixer comprising:a cylindrical container having an liquid inlet at one end and an outlet at the other end;rows of stationary stirring blades on the inside of said cylindrical container protruding substantially radially on the same periphery;a rotor t |
| 4975511 |
Glycidyl sulfonamide compound |
December 4, 1990 |
| A novel glycidyl sulfonamide compound having a (poly)siloxane main chain of its molecule is used alone or in admixture with an epoxy resin to give a cured material being excellent in flexibility, elongation and impact strength without deteriorating thermal resistance, chemical resistance |
| 4975488 |
Curable composition at room temperature |
December 4, 1990 |
| A curable composition at room temperature comprising (A) 100 parts by weight of a hydrolyzable silyl group-containing vinyl polymer, (B) 0.1 to 100 parts by weight of a specific silane compound and (C) 0 to 20 parts by weight of a curing catalyst, the silane compound (B) being a silane |
| 4971996 |
Hydroxystyrene compounds which are useful as tyrosine kinase inhibitors |
November 20, 1990 |
| A hydroxystyrene derivative represented by the formula (I): ##STR1## wherein when R.sup.1 and R.sup.2 : phenyl group, benzyl group or phenethyl group, or R.sup.1 : R.sup.5 O-- (R.sup.5 : H, a C.sub.1 to C.sub.5 alkyl group or benzyl group) and R.sup.2 : benzyl group or PhSCH.sub.2, R |
| 4970161 |
Human interferon-gamma |
November 13, 1990 |
| A DNA sequence on which a chromosomal DNA sequence coding for human interferon-.gamma. (HuIFN-.gamma.) and having a TATA box is ligated to a sequence of a promoter. Cell cultures transformed with said DNA revealed a higher expression of HuIFN- than cell cultures transformed with a DNA |
| 4968723 |
Pre-expanded particles of non-crosslinked linear low density polyethylene |
November 6, 1990 |
| A pre-expanded particle of a non-crosslinked linear low density polyethylene having an average cell diameter as large as 120 to 1,200 .mu.m which can be molded, without further imparting an expandability prior to molding or without aging under pressure, by heating in a closed mold pe |
| 4965311 |
Curing composition having enhancing effect on drying characteristics of alkyd coating |
October 23, 1990 |
| A curing composition showing improved drying characteristics of an alkyd coating which comprises:(A) an oxyalkylene polymer having at least one silicon atom-containing group which has a hydroxyl group or a hydrolyzable group bound to a silicon atom and is capable of crosslinking by formi |
| 4965261 |
Substituted benzoxazinorifamycin derivative and antibacterial agent containing the same |
October 23, 1990 |
| A rifamycin derivative having the formula (I): ##STR1## wherein R.sup.1 is hydrogen atom, methyl group or ethyl group, R.sup.2 is an alkyl group having 1 to 4 carbon atoms, and A is a group having the formula: ##STR2## in which n is an integer of 3 to 5, or group having the f |
| 4956023 |
Integrated solar cell device |
September 11, 1990 |
| An integrated solar cell device characterized in that a plurality of amorphous silicon solar cells, each having a transparent electrode on the light impinging side and a metal electrode on the side opposite of the light impinging side, are placed on a transparent substrate. The plurality |
| 4954127 |
Process for preparing an artificial vessel |
September 4, 1990 |
| An artificial vessel having a compliance and a stress-strain curve approximate to those of a vital vessel, which comprises a porous part of an elastomer having pores which communicate between the inside of the vessel and the outside of the vessel and a tubular part of fibers, said tu |
| 4943474 |
Unsaturated polyester resin compositions and electrical laminates made therefrom |
July 24, 1990 |
| An unsaturated polyester composition is provided comprising an unsaturate polyester component, a cross-linking monomer and as a modifier of the resin a polyoxyalkylene alcohol at least partially esterified with a polymerizable unsaturated carboxylic acid. The modifier is produced by |
